a person who is (to be) given another person's authority etc
assistant, agent
Cases of word usage
1) a person who helps another (especially as a deputy or as a junior worker) (assistant)
2) to act as deputy (deputize)
3) (a particular kind of) evil conduct or practice; an apparatus with strong clamps in which things can be held tightly while being cut, shaped etc; second in authority; deputy (vice)
